Gaya APA
Welt, G, D. (1994).
Simple Thin-Layer Chromatographic Identifikation Of Active Ingredients In Essential Drugs .
Germany:
ECV.
Gaya MLA
Welt, Gesundheitseitshilfe, Dritte.
"Simple Thin-Layer Chromatographic Identifikation Of Active Ingredients In Essential Drugs".
Germany:
ECV,
1994.
Text.